FACTBOX - Breaking barriers: U.S. election winners could mark minority firsts

Democratic Congressional candidate Alexandria Ocasio-Cortez poses with a campaign worker during a whistle stop in the Queens borough of New York City, New York, U.S., November 5, 2018. REUTERS/Andrew Kelly

(Reuters) - The 2018 U.S. congressional elections prompted a surge of candidates from minority groups that have not had electoral success in the past.

Several have the potential to be the first of their background elected to office on Tuesday.